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Ford 4.75 Modular Stroker
Ford 4.6 5.4 Modular
NEW! SOHC 2V/TW fits both OEM 2Valve and aftermarket Trick Flow Twisted Wedge.
NEW! SOHC 2V/TW fits both OEM 2Valve and aftermarket Trick Flow Twisted Wedge.
SX-GSXR-FX 4.6 Modular Ford 3.552 STD. Bore. Available Bore Sizes (3.552 = STD.) (3.572 = .020) (3.582 = .030) (3.592 = .040). Add the bore size to the end of the part # IE. 4812X-3572 for a .020 oversize.
GSXR-FX 4.75 Modular Ford 3.552 STD. Bore. Available Bore Sizes (3.552 = STD.) (3.572 = .020) (3.582 = .030) (3.592 = .040). Add the bore size to the end of the part # IE. 4981X-3572 for a .020 oversize.
RING GROOVE 1.5 1.5 3.0
RING GROOVE 1.5 1.5 3.0
CID.
Crank Stroke
Rod C to C
Pin Dia. Crown Type Pin Hgt
Aprox. Comp. Ratio Head Type 44cc 50cc 53cc
GSX Pistons
GSX Piston & Ring Kit
FX Pistons
FX Piston & Ring Kits
CID Crank Stroke
Rod C to C
Pin Dia.
Crown Type
Pin Hgt
Aprox. Comp. Ratio Head Type 44cc 50cc 53cc
GSX Pistons
GSX Piston & Ring Kit
SX Pistons
SX Piston & Ring Kits
FX Pistons
FX Piston & Ring Kits
289
3.649
5.933 0.866
Dish -6cc
1.170 11.57 10.56 10.12 2V/TW 4981X
K4981X
4981
K4981
281 3.543 5.933 0.866 Flat Top -3cc
1.210 12.05 10.90 10.42 2V/TW N/A
N/A
4812X K4812X
4812
K4812
302
3.649
5.933 0.866
Dish -13cc
1.170 10.41 9.60 9.24 2V/TW 4982X
K4982X
4982
K4982
302
3.649
5.933 0.866
Dish -21cc
1.170 9.36 8.71 8.43 2V/TW 4983X
K4983X
4983
K4983
281 3.543 5.933 0.866 Dish -10cc 1.210 10.74 9.84 9.45 2V/TW 4802 281 3.543 5.933 0.866 Dish -18cc 1.210 9.58 8.87 8.56 2V/TW 4804
K4802 4814X K4814X K4804 4816X K4816X
4814 4816
K4814 K4816
302
3.649
5.933 0.866
Dish -8cc
1.170 11.21 10.26 9.85
3V
4991X
K4991X
4991
K4991
281 3.543 5.933 0.866 Dish -21cc 1.210 9.21 8.56 8.27 2V/TW N/A
N/A
4818X K4818X
4818
K4818
302
3.649
5.933 0.866
Dish -16cc
1.170 9.98 9.24 8.92
3V
4992X
K4992X
4992
K4992
281 3.543 5.933 0.866 Flat Top -5cc
1.210 11.64 10.58 10.12 SOHC 3V N/A
N/A
4832X K4832X
4832
K4832
302
3.649
5.933 0.866
Dish -25cc
1.170 8.92 8.33 8.07
3V
4993X
K4993X
4993
K4993
302 302
3.649 3.649
5.933 0.866 5.933 0.866
Dish -7cc Dish -15cc
1.170 11.38 10.41 9.98 1.170 10.12 9.36 9.02
4V 4V
4995X 4996X
K4995X K4996X
4995 4996
K4995 K4996
281 3.543 5.933 0.866 Dish -13cc 1.210 10.27 9.45 9.09 SOHC 3V N/A
N/A
4834X K4834X
4834
K4834
281 3.543 5.933 0.866 Dish -22cc 1.210 9.09 8.46 8.18 SOHC 3V N/A
N/A
4836X K4836X
4836
K4836
302
3.649
5.933 0.866
Dish -24cc
1.170 9.02 8.43 8.16
4V
4997X
K4997X
4997
K4997
281 3.543 5.933 0.866 Flat Top -4cc
1.210 11.84 10.74 10.27 DOHC 4V N/A
N/A
4852X K4852X
4852
K4852
281 3.543 5.933 0.866 Dish -12cc 1.210 10.42 9.58 9.21 DOHC 4V N/A
N/A
4854X K4854X
4854
K4854
281 3.543 5.933 0.866 Dish -21cc 1.210 9.21 8.56 8.27 DOHC 4V N/A
N/A
4856X K4856X
4856
K4856
SX-GSXR-FX 5.4 Modular Ford 3.552 STD. Bore. Available Bore Sizes (3.552 = STD.) (3.572 = .020) (3.582 = .030) (3.592 = .040). Add the bore size to the end of the part # IE. 4890X-3572 for a .020 oversize.
RING GROOVE 1.5 1.5 3.0
CID Crank Stroke
Rod C to C
Pin Dia.
Crown Type
Pin Hgt
Aprox. Comp. Ratio Head Type 44cc 50cc 53cc
GSX Pistons
GSX Piston & Ring Kit
SX Pistons
SX Piston & Ring Kits
FX Pistons
FX Piston & Ring Kits
330 4.165 6.658 0.866 Flat Top 0cc no valve reliefs
1.210 10.47 9.74 9.41
All
N/A
N/A
4890X K4890X
4890
K4890
330 4.165 6.658 0.866 Dish -12cc 1.210 9.41 8.83 8.56
All
N/A
N/A
4891X K4891X
4891
K4891
330 4.165 6.658 0.866 Dish -18cc 1.210 8.83 8.32 8.09
All
4804
K4804 4892X K4892X
4892
K4892
330 4.165 6.658 0.866 Dish -10cc 1.210 9.62 9.01 8.73
All
4802
K4802
N/A
N/A
N/A
N/A
330 4.165 6.658 0.866 Dish -20.5cc
1.220 8.36 7.91 7.70
All
4881
K4881
N/A
N/A
N/A
N/A
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3550 Stern Ave. St Charles IL 60174
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